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Watch the official 20/20 online at ABC.com. Get exclusive videos, blogs, photos, cast bios, free episodes.
20 is a natural number with various mathematical, scientific, cultural and historical significance. Learn about its factorization, tessellations, polyhedra, sporadic groups, Rubik's cube, atomic number, vision, sports and more.
- twenty
- 20th, (twentieth)
- 2² × 5
- vigesimal
Learn the meaning, history, and usage of the word twenty, a number equal to two times 10. See examples, synonyms, phrases, and related words for twenty.
ABC's 20/20 is the prime time news magazine program featuring David Muir. From newsmaker interviews, hard-hitting investigative reports, exclusives, compelling features and medical mysteries.
ABC News. 20/20 combines hard hitting investigative reports, compelling human interest pieces, and newsmaker interviews. A staple of primetime television on Friday nights for over 3 decades,...
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ABC News' "20/20" is an award-winning primetime program anchored by David Muir and Deborah Roberts. A proven leader as a long-form newsmagazine for over 40 years, "20/20" features unforgettable, character-driven true crime mysteries, exclusive newsmaker interviews, hard-hitting investigative reports and in-depth coverage of high profile stories.
Learn how to find the factors of 20 using different methods, such as factorization, division and prime factorization. See the positive and negative pair factors of 20, and the common factors of 20 with other numbers.
